[Pkg-shadow-devel] [shadow-maint/shadow] Allow dots (`.`) in user/group names (#34)
Serge E. Hallyn
serge at hallyn.com
Tue Sep 13 13:36:17 UTC 2016
On Mon, Sep 12, 2016 at 05:12:43PM -0700, Nicolas François wrote:
> is_valid_name() is one of the functions that varies depending on the
> One historical reason for forbidding periods in user/group names is that it
> was used by BSD's chown to separate username and groupname.
> I could find this reference:
> Also any program could have its own regex and reject / accept usernames (I
> don't know any standard username regex definition). Although, since much
> more relaxed policy have been used for a while (for example on Debian:
> allowing periods should be quite safe.
> Best Regards,
Thanks! So it sounds like a patch which allows '.' but adds a
configure option to enable that would be the way to go.
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